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Windows, macOS, iOS and Android all support it though.

• KingMachiavelli 6y ago
  But no browsers do [1]. For an OS that does its best to hide file types & extensions from the user, it's absurd to not have robust file type conversions when moving/sharing files between apps. [1] https://caniuse.com/#feat=heif https://caniuse.com/#feat=heif